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1.新疆医科大学第一附属医院综合外科,新疆 乌鲁木齐 830054
2.新疆医科大学第一附属医院全科医学科,新疆 乌鲁木齐 830054
收稿日期:2024-10-13,
纸质出版日期:2025-08-25
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买尔旦·赛力木 ,金钟,阿里旦·艾尔肯 等.miR-205对结肠癌细胞增殖、迁移和上皮间质转化的调控作用研究[J].局解手术学杂志,2025,34(08):663-667.
Maierdan·Sailimu ,JIN Zhong,Alidan·Aierlken ,et al.Regulatory effects of miR-205 on proliferation,migration,and epithelial-mesenchymal transition in colon cancer cells[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2025,34(08):663-667.
买尔旦·赛力木 ,金钟,阿里旦·艾尔肯 等.miR-205对结肠癌细胞增殖、迁移和上皮间质转化的调控作用研究[J].局解手术学杂志,2025,34(08):663-667. DOI: 10.11659/jjssx.10E024042.
Maierdan·Sailimu ,JIN Zhong,Alidan·Aierlken ,et al.Regulatory effects of miR-205 on proliferation,migration,and epithelial-mesenchymal transition in colon cancer cells[J].JOURNAL OF REGIONAL ANATOMY AND OPERATIVE SURGERY,2025,34(08):663-667. DOI: 10.11659/jjssx.10E024042.
目的
2
探讨microRNA-205(miR-205)在结肠癌中的表达及其对结肠癌细胞增殖、迁移和上皮间质转化(EMT)的调控作用。
方法
2
用qRT-PCR检测结肠癌组织、癌旁组织及结肠癌细胞HT-29中miR-205的表达水平。将HT-29细胞分为3组,转染miR-205模拟物的细胞为miR-205模拟物组,转染miR-205抑制物的细胞为miR-205抑制物组,仅用Lipo2000转染试剂处理的细胞作为Buffer组。采用CCK-8实验和EDU实验检测各组细胞的增殖活力;Transwell实验检测细胞的迁移能力;Western blot检测各组细胞EMT相关蛋白N-cadherin、Vimentin和E-cadherin的表达。
结果
2
与癌旁组织相比,结肠癌组织中miR-205的相对表达水平显著下调(
P
<
0.05)。与Buffer组相比,miR-205模拟物组细胞中miR-205的相对表达水平上调,miR-205抑制物组细胞中miR-205的相对表达水平下调,差异均有统计学意义(
P
<
0.05)。过表达miR-205显著抑制结肠癌细胞的增殖活力及迁移能力(
P
<
0.05),而抑制miR-205则促进结肠癌细胞的增殖活力及迁移能力(
P
<
0.05)。与Buffer组相比,miR-205模拟物组细胞中N-cadherin、Vimentin下调,E-cadherin上调,而miR-205抑制物组细胞中N-cadherin、Vimentin上调,E-cadherin下调,差异均有统计学意义(
P
<
0.05)。
结论
2
miR-205在结肠癌组织中的表达显著降低,并通过下调结肠癌细胞的增殖、迁移和EMT来发挥其抑癌作用。
Objective
2
To investigate the expression of microRNA-205 (miR-205) in colon cancer and its regulatory effects on the proliferation,migration,and epithelial-mesenchymal transition (EMT) of colon cancer cells.
Methods
2
The expression levels of miR-205 in colon cancer tissues,adjacent normal tissues,and colon cancer cell HT-29 were detected by qRT-PCR. HT-29 cells were divided into three groups,cells transfected with miR-205 mimics were named the miR-205 mimic group,cells transfected with miR-205 inhibitors were named the miR-205 inhibitor group,and cells treated only with Lipo2000 transfection reagent were named the Buffer group.The proliferative activity of cells in each group was detected by CCK-8 assay and EDU assay;the migration invasion ability of cells was detected by Transwell assay; the expressions of EMT-related proteins N-cadherin,Vimentin,and E-cadherin in each group were detected by Western blot.
Results
2
Compared with adjacent normal tissues,the relative expression level of miR-205 in colon cancer tissues was significantly down-regulated (
P
<
0.05). Compared with the Buffer group,the relative expression level of miR-205 in the cells of the miR-205 mimic group was up-regulated,while that in the miR-205 inhibitor group was down-regulated,the differences were statistically significant (
P
<
0.05). Overexpression of miR-205 significantly inhibited the proliferation activity and migration ability of colon cancer cells (
P
<
0.05),while inhibition of miR-205 promoted the proliferation activity and migration ability of colon cancer cells (
P
<
0.05). Compared with the Buffer group,the levels of N-cadherin and Vimentin were down-regulated and the level of E-cadherin was up-regulated in the cells of the miR-205 mimic group,while the levels of N-cadherin and Vimentin were up-regulated and the level of E-cadherin was down-regulated in the cells of the miR-205 inhibitor group,the differences were all statistically significant (
P
<
0.05).
Conclusion
2
The expression of miR-205 in colon cancer tissues is significantly decreased,and miR-205 exerts its tumor-suppressive effects by downregulating the proliferation,migration,and EMT of colon cancer cells.
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